/*******************************************************************************
 * Copyright (c) 2010 liw.
 * All rights reserved. 
 * 
 * This file is part of VanBus.
 * 
 *     VanBus is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 * 
 *     VanBus is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
 * 
 *     You should have received a copy of the GNU General Public License
 *     along with VanBus.  If not, see <http://www.gnu.org/licenses/>.
 * Contributors:
 *     liw - initial API and implementation
 ******************************************************************************/
package org.niclab.vanbus.query.command;

import java.util.List;

import org.niclab.vanbus.model.BusRoute;
import org.niclab.vanbus.model.viewadpater.BusRouteExpandableListAdapter;

import android.app.ExpandableListActivity;
import android.content.Context;

public class PopulateRouteDirCmd implements ICommand{

	private ICommand nextCmd;
	
	private Context ctx;
	private int position;
	
	public PopulateRouteDirCmd(Context ctx,int position){
		this.ctx = ctx;
		this.position = position;
		
		
	}
	
	@Override
	public void execute(Object obj,ICommandChain chain) {
		List<BusRoute> result = (List<BusRoute>)obj;
		ExpandableListActivity act =(ExpandableListActivity)ctx;
		BusRouteExpandableListAdapter adapter = (BusRouteExpandableListAdapter) act.getExpandableListAdapter();
		adapter.populateChildren(position, result);
		adapter.notifyDataSetChanged();
		
		chain.execute(obj);
	
		
	}

	

}
